PET-PHD project Project title: Design and Optimization of RFI Filter for DC to DC Converters.

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Presentation transcript:

PET-PHD project Project title: Design and Optimization of RFI Filter for DC to DC Converters

1kW Three phase boost converter PET-PHD project 1kW Three phase boost converter Three phase boost converter (section I : AC to DC rectifier)

PET-PHD project Circuit diagram of AC to DC rectifier

1kW Three phase boost converter PET-PHD project 1kW Three phase boost converter Section II : DC side Boost Converter

PET-PHD project Circuit diagram of Boost Converter

1kW Three phase boost converter PET-PHD project 1kW Three phase boost converter

PET-PHD project CH1: Vds pk –pk = 620V CH2: Vout = 691.7V CH1 : Voltage waveform of Vds, CH2: Output voltage of Boost Converter

PET-PHD project ANSYS: Simplorer ( Electrical Circuit Simulation), Maxwell( Magnetic components), PCB layout( Q3D). Following sections are my studies on this tool

PET-PHD project Simulation tool : Maxwell 3D Case study: Boost inductor Core geometry: Toroidal core Magnetic material : Power Ferrite Copper winding: Two turns

PET-PHD project Flux density under inductor current excitation

PET-PHD project Inductor current waveform

PET-PHD project Self and mutual inductance of individual coil against operation frequency

PET-PHD project High frequency winding resistance in terms of skin and proximity effect against operation frequency

PET-PHD project Winding loss of boost inductor under inductor current excitation

Case study: Air –gapped boost inductor PET-PHD project Case study: Air –gapped boost inductor Core geometry: Toroidal core with air gap Magnetic material : Power Ferrite Copper winding: Two turns

PET-PHD project Flux density under inductor current excitation ( air-gapped core)

PET-PHD project Self and mutual inductance of individual coil against operation frequency

PET-PHD project High frequency winding resistance in terms of skin and proximity effect against operation frequency

PET-PHD project Inductor current waveform

PET-PHD project Winding loss of boost inductor under inductor current excitation

Determine self and mutual inductance of individual coil PET-PHD project Advantages: High frequency copper winding loss in terms of skin and proximity effect Determine self and mutual inductance of individual coil Determine winding loss in terms of non-sinusoidal waveform ( time-vary large signal e.g. inductor current travelling inside boost inductor) Determine winding and core loss in terms of non-linear magnetic materials( e.g. User can define magnetic materials by BH curve)

PET-PHD project END